I have a list of Sheets and for each sheet I need to SUM float values from the column A and the SUM outcome should be added to the Sheet name. For example: Sheet1 --> Sheet1 (123). Please advice. Thank you. import xlwings as xw wb = xw.Book(filepath) sheet_names = wb.sheets for x in sheet_names: /missing summary calculation here wb.sheets[x].name = wb.sheets[x] + str('123') # ('123') should be the outcome of the SUM so str(SUM) wb.save() wb.close() xw.App().quit() Continue reading...